RetroArch/Makefile.emscripten
libretroadmin 51d238875e Get rid of obsolete HAVE_VIDEO_LAYOUT - obsolete spec, was only
ever implemented for OpenGL2 driver, lots of code debt, best to
instead just keep improving the overlay system instead which is
already available for most video drivers
2023-02-23 21:03:41 +01:00

142 lines
3.1 KiB
Makefile

HAVE_STATIC_DUMMY ?= 0
ifeq ($(TARGET),)
ifeq ($(LIBRETRO),)
TARGET := retroarch.js
else
TARGET := $(LIBRETRO)_libretro.js
endif
endif
EOPT = USE_ZLIB=1 # Emscripten specific options
EOPTS = $(addprefix -s $(EMPTY), $(EOPT)) # Add '-s ' to each option
PTHREAD = 0
OS = Emscripten
OBJ :=
DEFINES := -DRARCH_INTERNAL -DHAVE_MAIN -s USE_PTHREADS=$(PTHREAD)
DEFINES += -DHAVE_FILTERS_BUILTIN
HAVE_PATCH = 1
HAVE_DSP_FILTER = 1
HAVE_VIDEO_FILTER = 1
HAVE_OVERLAY = 1
HAVE_GLSL = 1
HAVE_SCREENSHOTS = 1
HAVE_REWIND = 1
HAVE_AUDIOMIXER = 1
HAVE_CC_RESAMPLER = 1
HAVE_EGL = 1
HAVE_OPENGLES = 1
HAVE_RJPEG = 0
HAVE_RPNG = 1
HAVE_EMSCRIPTEN = 1
HAVE_MENU = 1
HAVE_GFX_WIDGETS = 1
HAVE_RGUI = 1
HAVE_SDL = 0
HAVE_SDL2 = 0
HAVE_ZLIB = 1
HAVE_SHADERPIPELINE = 1
HAVE_STATIC_VIDEO_FILTERS = 1
HAVE_STATIC_AUDIO_FILTERS = 1
HAVE_STB_FONT = 1
HAVE_CONFIGFILE = 1
HAVE_CHEATS = 1
HAVE_IBXM = 1
HAVE_CORE_INFO_CACHE = 1
HAVE_7ZIP = 1
HAVE_BSV_MOVIE = 1
ASYNC ?= 0
ifeq ($(LIBRETRO), mupen64plus)
ASYNC = 1
endif
LTO ?= 0
ifeq ($(LIBRETRO), tyrquake)
LTO = 0
endif
MEMORY ?= 134217728
PRECISE_F32 = 1
OBJDIR := obj-emscripten
#if you compile with SDL2 flag add this Emscripten flag "-s USE_SDL=2" to LDFLAGS:
LIBS := -s USE_ZLIB=1
LDFLAGS := -L. --no-heap-copy -s $(LIBS) -s TOTAL_MEMORY=$(MEMORY) -s NO_EXIT_RUNTIME=0 -s FULL_ES2=1 -s "EXTRA_EXPORTED_RUNTIME_METHODS=['callMain']" \
-s ALLOW_MEMORY_GROWTH=1 -s EXPORTED_FUNCTIONS="['_main', '_malloc', '_cmd_savefiles', '_cmd_save_state', '_cmd_load_state', '_cmd_take_screenshot']" \
--js-library emscripten/library_rwebaudio.js \
--js-library emscripten/library_rwebcam.js \
--js-library emscripten/library_errno_codes.js
ifneq ($(PTHREAD), 0)
LDFLAGS += -s USE_PTHREADS=$(PTHREAD) -s PTHREAD_POOL_SIZE=2
endif
ifeq ($(ASYNC), 1)
LDFLAGS += -s ASYNCIFY=$(ASYNC)
endif
ifeq ($(HAVE_SDL2), 1)
LIBS += -s USE_SDL=2
DEFINES += -DHAVE_SDL2
endif
include Makefile.common
CFLAGS += $(DEF_FLAGS) -Ideps -Ideps/stb
libretro :=
ifeq ($(HAVE_STATIC_DUMMY),1)
DEFINES += -DHAVE_STATIC_DUMMY
else
libretro += libretro_emscripten.bc
endif
ifneq ($(V), 1)
Q := @
endif
ifeq ($(DEBUG), 1)
LDFLAGS += -O0 -g
CFLAGS += -O0 -g
else
LDFLAGS += -O3 -s WASM=1
# WARNING: some optimizations can break some cores (ex: LTO breaks tyrquake)
LDFLAGS += -s PRECISE_F32=$(PRECISE_F32)
ifeq ($(LTO), 1)
LDFLAGS += --llvm-lto 3
endif
CFLAGS += -O3
endif
CFLAGS += -Wall -I. -Ilibretro-common/include -std=gnu99 $(LIBS) \
-s EXPORTED_FUNCTIONS="['_main', '_malloc', '_cmd_savefiles', '_cmd_save_state', '_cmd_take_screenshot']"
RARCH_OBJ := $(addprefix $(OBJDIR)/,$(OBJ))
all: $(TARGET)
$(TARGET): $(RARCH_OBJ) $(libretro)
@$(if $(Q), $(shell echo echo LD $@),)
$(Q)$(LD) -o $@ $(RARCH_OBJ) $(libretro) $(LIBS) $(LDFLAGS)
$(OBJDIR)/%.o: %.c
@mkdir -p $(dir $@)
@$(if $(Q), $(shell echo echo CC $<),)
$(Q)$(CC) $(CFLAGS) $(DEFINES) $(EOPTS) -c -o $@ $<
$(OBJDIR)/%.o: %.cpp
@mkdir -p $(dir $@)
@$(if $(Q), $(shell echo echo CXX $<),)
$(Q)$(CXX) $(CXXFLAGS) $(DEFINES) $(EOPTS) -c -o $@ $<
clean:
rm -rf $(OBJDIR)
rm -f $(TARGET)
.PHONY: all clean